Ah yes, why not? The last time we did this, it was March 2011, so it's been almost a year since we offered a little insight into what kind of operating systems and browsers you, dear readers, are using. Nothing particularly earth-shattering going on here.

Because it makes it appear that Google Services work faster in Chrome.

TBH SPDY on its own isn't a problem, instant pages only works in Chrome.

SPDY is only one example of where they are doing it.

I honestly thought we got away from this "It works better in <browser x>", that is a relic of the 1990s. Now I have actually seen some pages that say "Works best in Chrome" ... brilliant ... Browser Wars II